Write a regular expression to match any characters that are not in a word, as defined by regular expression syntax.
Write a regular expression to match either of the words fox or fix.
Write a regular expression to match any single word followed by any nonword character.
Using regular expressions, write a PHP function to replace all occurrences of the word the in “The cow jumps over the moon” with the word my.
What HTML keyword is used to precomplete form fields with a value?